September 28 – History, Events, Births, Deaths, Holidays and Observances On This Day

  • 48 BC – Pompey is assassinated by order of King Ptolemy upon arriving in Egypt.
  • 235 – Pope Pontian resigns. He is exiled to the mines of Sardinia, along with Hippolytus of Rome.
  • 351 – Constantius II defeats the usurper Magnentius.
  • 365 – Roman usurper Procopius bribes two legions passing by Constantinople, and proclaims himself emperor.
  • 935 – Duke Wenceslaus I of Bohemia is murdered by a group of nobles led by his brother Boleslaus I, who succeeds him.
  • 995 – Boleslaus II, Duke of Bohemia, kills most members of the rival Slavník dynasty.
  • 1066 – William the Conqueror lands in England, beginning the Norman conquest.
  • 1106 – King Henry I of England defeats his brother, Robert Curthose.
  • 1238 – King James I of Aragon conquers Valencia from the Moors. Shortly thereafter, he proclaims himself king of Valencia.
  • 1322 – Louis IV, Holy Roman Emperor, defeats Frederick I of Austria in the Battle of Mühldorf.
  • 1538 – Ottoman–Venetian War: The Ottoman Navy scores a decisive victory over a Holy League fleet in the Battle of Preveza.
  • 1542 – Juan Rodríguez Cabrillo of Portugal arrives at what is now San Diego, California.
  • 1779 – American Revolution: Samuel Huntington is elected President of the Continental Congress, succeeding John Jay.
  • 1781 – American Revolution: American forces backed by a French fleet begin the siege of Yorktown.
  • 1787 – The Congress of the Confederation votes to send the newly-written United States Constitution to the state legislatures for approval.
  • 1821 – The Declaration of Independence of the Mexican Empire is drafted. It will be made public on 13 October.
  • 1844 – Oscar I of Sweden–Norway is crowned king of Sweden.
  • 1867 – Toronto becomes the capital of Ontario, having also been the capital of Ontario’s predecessors since 1796.
  • 1868 – The Battle of Alcolea causes Queen Isabella II of Spain to flee to France.
  • 1871 – The Brazilian Parliament passes a law that frees all children thereafter born to slaves, and all government-owned slaves.
  • 1889 – The General Conference on Weights and Measures (CGPM) defines the length of a meter.
  • 1892 – The first night game for American football takes place in a contest between Wyoming Seminary and Mansfield State Normal.
  • 1893 – Foundation of the Portuguese football club FC Porto.
  • 1901 – Philippine–American War: Filipino guerrillas kill more than forty American soldiers while losing 28 of their own.
  • 1912 – The Ulster Covenant is signed by some 500,000 Ulster Protestant Unionists in opposition to the Third Irish Home Rule Bill.
  • 1912 – Corporal Frank S. Scott of the United States Army becomes the first enlisted man to die in an airplane crash.
  • 1918 – World War I: The Fifth Battle of Ypres begins.
  • 1919 – Race riots begin in Omaha, Nebraska.
  • 1924 – The first aerial circumnavigation is completed by a team from the US Army.
  • 1928 – Alexander Fleming notices a bacteria-killing mold growing in his laboratory, discovering what later became known as penicillin.
  • 1939 – World War II: Nazi Germany and the Soviet Union agree on a division of Poland.
  • 1939 – World War II: The siege of Warsaw comes to an end.
  • 1941 – World War II: The Drama uprising against the Bulgarian occupation in northern Greece begins.
  • 1941 – Ted Williams achieves a .406 batting average for the season, and becomes the last major league baseball player to bat .400 or better.
  • 1944 – World War II: Soviet Army troops liberate Klooga concentration camp in Estonia.
  • 1951 – CBS makes the first color televisions available for sale to the general public, but the product is discontinued less than a month later.
  • 1961 – A military coup in Damascus effectively ends the United Arab Republic, the union between Egypt and Syria.
  • 1970 – Egyptian President Gamal Abdel Nasser dies of a heart attack in Cairo.
  • 1971 – The Parliament of the UK passes the Misuse of Drugs Act 1971, banning the medicinal use of cannabis.
  • 1973 – The ITT Building in New York City is bombed in protest at ITT’s alleged involvement in the coup d’état in Chile.
  • 1975 – The Spaghetti House siege, in which nine people are taken hostage, takes place in London.
  • 1986 – The Democratic Progressive Party becomes the first opposition party in Taiwan.
  • 1991 – The Strategic Air Command stands down from alert all ICBMs scheduled for deactivation under START I, as well as its strategic bomber force.
  • 1992 – A Pakistan International Airlines flight crashes into a hill in Nepal, killing all 167 passengers and crew.
  • 1994 – The cruise ferry MS Estonia sinks in the Baltic Sea, killing 852 people.
  • 1995 – Bob Denard and a group of mercenaries take the islands of the Comoros in a coup.
  • 1995 – Israeli Prime Minister Yitzhak Rabin and PLO Chairman Yasser Arafat sign the Interim Agreement on the West Bank and the Gaza Strip.
  • 2000 – Al-Aqsa Intifada: Ariel Sharon visits Al-Aqsa Mosque known to Jews as the Temple Mount in Jerusalem.
  • 2008 – Falcon 1 becomes the first privately developed liquid-fuel ground-launched vehicle to put a payload into orbit.
  • 2009 – The military junta leading Guinea attacks a protest rally, killing or wounding 1400 people.
  • 2012 – Somali and African Union forces launch a coordinated assault on the Somali port of Kismayo to take back the city from al-Shabaab militants.
  • 2014 – The 2014 Hong Kong protests begin in response to restrictive political reforms imposed by the NPC in Beijing.
  • 2016 – The 2016 South Australian blackout occurs, lasting up to three days in some areas.
  • 2018 – The 7.5 Mw 2018 Sulawesi earthquake, which triggered a large tsunami, leaves 4,340 dead and 10,679 injured.
  • 2018 – On the occasion of the 100th anniversary of the end of the First World War, the international project Tree of Peace was established (September, 28). One of the trees was planted personally by Zuzana Čaputová, President of the Slovak Republic.

Births on September 28

  • 551 BC – Confucius, Chinese teacher, editor, politician, and philosopher of the Spring and Autumn period of Chinese history. (d. 479 BC)
  • 616 – Javanshir, King of Caucasian Albania (d. 680)
  • 1494 – Agnolo Firenzuola, Italian poet and playwright (d. 1545)
  • 1555 – Henri de La Tour d’Auvergne, Marshal of France (d. 1623)
  • 1573 – Théodore de Mayerne, Swiss physician (d. 1654)
  • 1605 – Ismaël Bullialdus, French astronomer and mathematician (d. 1694)
  • 1681 – Johann Mattheson, German composer, lexicographer, and diplomat (d. 1764)
  • 1705 – Henry Fox, 1st Baron Holland, English politician, Secretary of State for the Southern Department (d. 1774)
  • 1705 – Johann Peter Kellner, German organist and composer (d. 1772)
  • 1735 – Augustus FitzRoy, 3rd Duke of Grafton, English academic and politician, Prime Minister of the United Kingdom (d. 1811)
  • 1746 – William Jones, English-Welsh philologist and scholar (d. 1794)
  • 1765 – Frederick Christian II, Duke of Schleswig-Holstein-Sonderburg-Augustenburg (d. 1814)
  • 1803 – Prosper Mérimée, French archaeologist, historian, and author (d. 1870)
  • 1809 – Alvan Wentworth Chapman, American physician and botanist (d. 1899)
  • 1819 – Narcís Monturiol, Spanish engineer and publisher (d. 1885)
  • 1821 – Jonathan Clarkson Gibbs, American minister and politician (d. 1874)
  • 1823 – Alexandre Cabanel, French painter and educator (d. 1889)
  • 1824 – Francis Turner Palgrave, English poet and critic (d. 1897)
  • 1836 – Thomas Crapper, English plumber, invented the ballcock (d. 1910)
  • 1838 – Sai Baba of Shirdi, Indian national saint (d. 1918)
  • 1841 – Georges Clemenceau, French journalist, physician, and politician, 85th Prime Minister of France (d. 1929)
  • 1844 – Robert Stout, Scottish-New Zealand lawyer and politician, 13th Prime Minister of New Zealand (d. 1930)
  • 1852 – Henri Moissan, French chemist and academic, Nobel Prize laureate (d. 1907)
  • 1852 – Isis Pogson, British astronomer and meteorologist (d. 1945)
  • 1856 – Kate Douglas Wiggin, American author and educator (d. 1923)
  • 1860 – Paul Ulrich Villard, French chemist and physicist (d. 1934)
  • 1861 – Amélie of Orléans, queen consort of Portugal (d. 1951)
  • 1867 – Hiranuma Kiichirō, Japanese lawyer and politician, 35th Prime Minister of Japan (d. 1952)
  • 1867 – James Edwin Campbell, American poet, editor, short story writer and educator (d. 1896)
  • 1868 – Evelyn Beatrice Hall, English writer best known for her biography of Voltaire, and wrote under the pseudonym S. G. Tallentyre (d. 1956)
  • 1877 – Albert Young, American boxer and promoter (d. 1940)
  • 1878 – Joseph Ruddy, American swimmer and water polo player (d. 1962)
  • 1870 – Florent Schmitt, French composer and critic (d. 1958)
  • 1881 – Pedro de Cordoba, American actor (d. 1950)
  • 1882 – Mart Saar, Estonian organist and composer (d. 1963)
  • 1885 – Emil Väre, Finnish wrestler, coach, and referee (d. 1974)
  • 1887 – Avery Brundage, American businessman, 5th President of the International Olympic Committee (d. 1975)
  • 1889 – Jack Fournier, American baseball player and coach (d. 1973)
  • 1890 – Florence Violet McKenzie, Australian electrical engineer (d. 1982)
  • 1892 – Elmer Rice, American playwright (d. 1967)
  • 1893 – Hilda Geiringer, Austrian mathematician (d. 1973)
  • 1893 – Giannis Skarimpas, Greek author, poet, and playwright (d. 1984)
  • 1898 – Carl Clauberg, German Nazi physician (d. 1957)
  • 1900 – Isabel Pell, American socialite, fought as part of the French Resistance during WWII (d. 1951)
  • 1901 – William S. Paley, American broadcaster, founded CBS (d. 1990)
  • 1901 – Ed Sullivan, American television host (d. 1974)
  • 1903 – Haywood S. Hansell, American general (d. 1988)
  • 1905 – Max Schmeling, German boxer (d. 2005)
  • 1907 – Heikki Savolainen, Finnish gymnast and physician (d. 1997)
  • 1907 – Bhagat Singh, Indian activist (d. 1931)
  • 1909 – Al Capp, American author and illustrator (d. 1979)
  • 1910 – Diosdado Macapagal, Filipino lawyer and politician, 9th President of the Philippines (d. 1997)
  • 1910 – Wenceslao Vinzons, Filipino lawyer and politician (d. 1942)
  • 1913 – Warja Honegger-Lavater, Swiss illustrator (d. 2007)
  • 1913 – Alice Marble, American tennis player (d. 1990)
  • 1914 – Maria Franziska von Trapp, Austrian-American refugee and singer (d. 2014)
  • 1915 – Ethel Rosenberg, American spy (d. 1953)
  • 1916 – Peter Finch, English-Australian actor (d. 1977)
  • 1916 – Olga Lepeshinskaya, Ukrainian-Russian ballerina and educator (d. 2008)
  • 1918 – Ángel Labruna, Argentinian footballer and manager (d. 1983)
  • 1918 – Arnold Stang, American actor (d. 2009)
  • 1919 – Doris Singleton, American actress (d. 2012)
  • 1922 – Larry Munson, American sportscaster (d. 2011)
  • 1923 – Tuli Kupferberg, American singer, poet, and writer (d. 2010)
  • 1923 – John Scott, 9th Duke of Buccleuch, Scottish captain and politician, Lord Lieutenant of Selkirkshire (d. 2007)
  • 1923 – William Windom, American actor (d. 2012)
  • 1924 – Rudolf Barshai, Russian-Swiss viola player and conductor (d. 2010)
  • 1924 – Marcello Mastroianni, Italian-French actor and singer (d. 1996)
  • 1925 – Seymour Cray, American computer scientist, founded the CRAY Computer Company (d. 1996)
  • 1925 – Cromwell Everson, South African composer (d. 1991)
  • 1925 – Martin David Kruskal, American physicist and mathematician (d. 2006)
  • 1926 – Jerry Clower, American soldier, comedian, and author (d. 1998)
  • 1928 – Koko Taylor, American singer (d. 2009)
  • 1929 – Lata Mangeshkar, Indian playback singer and composer
  • 1930 – Tommy Collins, American country music singer-songwriter (d. 2000)
  • 1930 – Immanuel Wallerstein, American sociologist, author, and academic (d. 2019)
  • 1932 – Jeremy Isaacs, Scottish screenwriter and producer
  • 1932 – Víctor Jara, Chilean singer-songwriter, poet, and director (d. 1973)
  • 1933 – Joe Benton, English soldier and politician
  • 1933 – Miguel Ortiz Berrocal, Spanish sculptor and educator (d. 2006)
  • 1933 – Johnny “Country” Mathis, American singer-songwriter (d. 2011)
  • 1934 – Brigitte Bardot, French actress
  • 1935 – Bruce Crampton, Australian golfer
  • 1935 – David Hannay, Baron Hannay of Chiswick, English diplomat, British Permanent Representative to the United Nations
  • 1935 – Ronald Lacey, English actor (d. 1991)
  • 1936 – Emmett Chapman, American guitarist, invented the Chapman Stick
  • 1936 – Eddie Lumsden, Australian rugby league player (d. 2019)
  • 1936 – Robert Wolders, Dutch television actor (d. 2018)
  • 1937 – Alice Mahon, English trade union leader and politician
  • 1937 – Glenn Sutton, American country music songwriter and record producer (d. 2007)
  • 1938 – Ben E. King, American singer-songwriter and producer (d. 2015)
  • 1939 – Stuart Kauffman, American biologist and academic
  • 1941 – David Lewis, American philosopher and academic (d. 2001)
  • 1941 – Edmund Stoiber, German lawyer and politician, Minister President of Bavaria
  • 1942 – Pierre Clémenti, French actor, director, producer, and screenwriter (d. 1999)
  • 1942 – Edward “Little Buster” Forehand, American singer-songwriter and guitarist (d. 2006)
  • 1943 – Warren Lieberfarb, American businessman
  • 1943 – George W. S. Trow, American novelist, playwright, and critic (d. 2006)
  • 1943 – Nick St. Nicholas, German-Canadian bass player
  • 1944 – Richie Karl, American golfer
  • 1944 – Marcia Muller, American journalist and author
  • 1945 – Marielle Goitschel, French skier
  • 1945 – Manolis Rasoulis, Greek singer-songwriter and journalist (d. 2011)
  • 1945 – Fusako Shigenobu, Japanese activist, founded the Japanese Red Army
  • 1946 – Tom Bower, English journalist and author
  • 1946 – Majid Khan, Indian-Pakistani cricketer
  • 1947 – Bob Carr, Australian journalist and politician, 37th Australian Minister of Foreign Affairs
  • 1947 – Sheikh Hasina, Bangladeshi politician, 10th Prime Minister of Bangladesh
  • 1947 – Jon Snow, English journalist and academic
  • 1947 – Rhonda Hughes, American mathematician and academic
  • 1949 – Jim Henshaw, Canadian actor, producer, and screenwriter
  • 1950 – Paul Burgess, English drummer
  • 1950 – Christina Hoff Sommers, American author and philosopher
  • 1950 – John Sayles, American novelist, director, and screenwriter
  • 1951 – Jim Diamond, Scottish singer-songwriter and musician (d. 2015)
  • 1952 – Christopher Buckley, American satirical novelist
  • 1952 – Efthimis Kioumourtzoglou, Greek basketball player and coach
  • 1952 – Sylvia Kristel, Dutch model and actress (d. 2012)
  • 1952 – Andy Ward, English drummer
  • 1953 – Otmar Hasler, Liechtensteiner educator and politician, 11th Prime Minister of Liechtenstein
  • 1954 – Steve Largent, American football player and politician
  • 1954 – George Lynch, American guitarist and songwriter
  • 1954 – John Scott, English rugby player
  • 1954 – Margot Wallström, Swedish politician and diplomat, 42nd Swedish Minister for Foreign Affairs
  • 1955 – Stéphane Dion, Canadian sociologist and politician, 15th Canadian Minister of the Environment
  • 1955 – Mercy Manci, Xhosa sangoma and HIV activist from South Africa
  • 1955 – Kenny Kirkland, American pianist (d. 1998)
  • 1956 – Martha Isabel Fandiño Pinilla, Colombian-Italian mathematician and author
  • 1957 – Bill Cassidy, American politician and physician
  • 1959 – Ron Fellows, Canadian race car driver
  • 1959 – Laura Bruce, American artist
  • 1960 – Gary Ayres, Australian footballer and coach
  • 1960 – Tom Byrum, American golfer
  • 1960 – Frank Hammerschlag, German footballer and manager
  • 1960 – Gus Logie, Trinidadian cricketer
  • 1960 – Kamlesh Patel, Baron Patel of Bradford, English politician
  • 1960 – Jennifer Rush, American singer-songwriter
  • 1960 – Socrates Villegas, Filipino archbishop
  • 1961 – Helen Grant, English lawyer and politician, Minister for Sport and the Olympics
  • 1961 – Gregory Jbara, American actor and singer
  • 1961 – Quentin Kawānanakoa, American lawyer and politician
  • 1961 – Anne White, American tennis player
  • 1962 – Grant Fuhr, Canadian ice hockey player and coach
  • 1962 – Laurie Rinker, American golfer
  • 1962 – Dietmar Schacht, German footballer and manager
  • 1962 – Chuck Taylor, American journalist
  • 1963 – Steve Blackman, American wrestler and martial artist
  • 1963 – Érik Comas, French race car driver
  • 1963 – Greg Weisman, American voice actor, producer, and screenwriter
  • 1964 – Claudio Borghi, Argentinian footballer and manager
  • 1964 – Gregor Fisken, Scottish race car driver
  • 1964 – Janeane Garofalo, American comedian, actress, and screenwriter
  • 1964 – Paul Jewell, English footballer and manager
  • 1964 – Mārtiņš Roze, Latvian lawyer and politician (d. 2012)
  • 1966 – Scott Adams, American football player (d. 2013)
  • 1966 – Maria Canals-Barrera, Cuban-American actress
  • 1966 – Puri Jagannadh, Indian director, producer, and screenwriter
  • 1967 – Mira Sorvino, American actress
  • 1967 – Moon Zappa, American actress and author
  • 1968 – Francois Botha, South African boxer and mixed martial artist
  • 1968 – Mika Häkkinen, Finnish race car driver
  • 1968 – Trish Keenan, English singer-songwriter and guitarist (d. 2011)
  • 1968 – Sean Levert, American R&B singer-songwriter and actor (d. 2008)
  • 1968 – Rob Moroso, American race car driver (d. 1990)
  • 1968 – Naomi Watts, English-Australian actress and producer
  • 1969 – Kerri Chandler, electronic music producer and DJ
  • 1969 – Marcel Dost, Dutch decathlete
  • 1969 – Ben Greenman, American journalist and author
  • 1969 – Piper Kerman, American author and memoirist
  • 1969 – Éric Lapointe, Canadian singer-songwriter and keyboard player
  • 1969 – Sascha Maassen, German race car driver
  • 1969 – Angus Robertson, Scottish politician
  • 1969 – Nico Vaesen, Belgian footballer
  • 1970 – Kimiko Date-Krumm, Japanese tennis player
  • 1970 – Mike DeJean, American baseball player
  • 1970 – Gualter Salles, Brazilian race car driver
  • 1971 – Joseph Arthur, American singer-songwriter and guitarist
  • 1971 – George Eustice, English lawyer and politician
  • 1971 – Braam van Straaten, South African rugby player
  • 1971 – Alan Wright, English footballer and manager
  • 1972 – Dita Von Teese, American model and dancer
  • 1973 – Brian Rafalski, American ice hockey player
  • 1974 – Marco Di Loreto, Italian footballer and manager
  • 1974 – Mariya Kiselyova, Russian swimmer
  • 1974 – Joonas Kolkka, Finnish footballer and coach
  • 1974 – Shane Webcke, Australian rugby league player and coach
  • 1975 – Stuart Clark, Australian cricketer and manager
  • 1975 – Isamu Jordan, American journalist and academic (d. 2013)
  • 1975 – Lenny Krayzelburg, Russian-American swimmer
  • 1976 – Fedor Emelianenko, Russian mixed martial artist and politician
  • 1977 – Ireneusz Marcinkowski, Polish footballer
  • 1977 – Pak Se-ri, South Korean golfer
  • 1977 – Young Jeezy, American rapper
  • 1978 – Ben Edmondson, Australian cricketer
  • 1979 – Bam Margera, American skateboarder, actor, and stuntman
  • 1979 – Taki Tsan, American-Greek rapper and producer
  • 1980 – Marlon Parmer, American basketball player
  • 1981 – Greg Anderson, American pianist and composer
  • 1981 – Willy Caballero, Argentine footballer
  • 1981 – José Calderón, Spanish basketball player
  • 1981 – Jorge Guagua, Ecuadorian footballer
  • 1981 – Iracema Trevisan, Brazilian bass player
  • 1982 – Aleksandr Anyukov, Russian footballer
  • 1982 – Abhinav Bindra, Indian target shooter
  • 1982 – Ray Emery, Canadian ice hockey player (d. 2018)
  • 1982 – Ranbir Kapoor, Indian actor and director
  • 1982 – Nolwenn Leroy, French singer-songwriter and actress
  • 1982 – Emeka Okafor, American basketball player
  • 1982 – Dustin Penner, Canadian ice hockey player
  • 1982 – Aivar Rehemaa, Estonian skier
  • 1982 – Anderson Varejão, Brazilian basketball player
  • 1982 – St. Vincent, American singer-songwriter and guitarist
  • 1983 – Stefan Moore, English footballer
  • 1983 – John Schwalger, New Zealand rugby player
  • 1984 – Jenny Omnichord, Canadian singer-songwriter
  • 1984 – Luke Pomersbach, Australian cricketer
  • 1984 – Naim Terbunja, Kosovan-Swedish boxer
  • 1984 – Melody Thornton, American singer-songwriter and dancer
  • 1984 – Mathieu Valbuena, French footballer
  • 1984 – Ryan Zimmerman, American baseball player
  • 1985 – Shindong, South Korean singer-songwriter and dancer
  • 1985 – Alina Ibragimova, Russian-English violinist
  • 1986 – Andrés Guardado, Mexican footballer
  • 1986 – Meskerem Legesse, Ethiopian runner (d. 2013)
  • 1986 – Dominic Waters, American basketball player
  • 1987 – Pierre Becken, German footballer
  • 1987 – Gary Deegan, Irish footballer
  • 1987 – Hilary Duff, American singer-songwriter and actress
  • 1987 – Chloë Hanslip, English violinist
  • 1987 – Viktoria Leks, Estonian high jumper
  • 1988 – Marin Čilić, Croatian tennis player
  • 1988 – Esmée Denters, Dutch singer-songwriter
  • 1988 – Aleks Vrteski, Australian footballer
  • 1988 – Worakls, French DJ and electronic musician
  • 1989 – Çağla Büyükakçay, Turkish tennis player
  • 1989 – Darius Johnson-Odom, American basketball player
  • 1989 – Mark Randall, English footballer
  • 1990 – Phoenix Battye, Australian rugby player
  • 1992 – Khem Birch, Canadian professional basketball player
  • 1992 – Adam Thompson, English-Northern Irish footballer
  • 1992 – Kōko Tsurumi, Japanese gymnast
  • 1993 – Jodie Williams, English sprinter
  • 1995 – Jason Williams, English footballer

Deaths on September 28

  • 48 BC – Pompey, Roman general and politician (b. 106 BC)
  • 782 – Leoba, Anglo-Saxon nun
  • 935 – Wenceslaus I, duke of Bohemia
  • 980 – Minamoto no Hiromasa, Japanese nobleman (b. 918)
  • 1197 – Henry VI, Holy Roman Emperor (b. 1165)
  • 1213 – Gertrude of Merania, queen consort of Hungaria (b. 1185)
  • 1330 – Elizabeth of Bohemia, queen consort of Bohemia (b. 1292)
  • 1429 – Cymburgis of Masovia, duchess consort of Austria (b. 1394)
  • 1582 – George Buchanan, Scottish historian and scholar (b. 1506)
  • 1596 – Margaret Clifford, countess of Derby (b. 1540)
  • 1618 – Josuah Sylvester, English poet and translator (b. 1563)
  • 1687 – Francis Turretin, Swiss-Italian theologian and academic (b. 1623)
  • 1694 – Gabriel Mouton, French mathematician and theologian (b. 1618)
  • 1702 – Robert Spencer, 2nd Earl of Sunderland, French-English lawyer and politician, Lord President of the Council (b. 1640)
  • 1742 – Jean Baptiste Massillon, French bishop (b. 1663)
  • 1829 – Nikolay Raevsky, Russian general and politician (b. 1771)
  • 1844 – Pyotr Aleksandrovich Tolstoy, Russian general and politician (b. 1769)
  • 1859 – Carl Ritter, German geographer and academic (b. 1779)
  • 1873 – Émile Gaboriau, French journalist and author (b. 1832)
  • 1891 – Herman Melville, American author and poet (b. 1819)
  • 1895 – Louis Pasteur, French chemist and microbiologist (b. 1822)
  • 1899 – Giovanni Segantini, Austrian painter (b. 1858)
  • 1914 – Richard Warren Sears, American businessman, co-founded Sears (b. 1863)
  • 1915 – Saitō Hajime, Japanese samurai (b. 1844)
  • 1918 – Georg Simmel, German sociologist and philosopher (b. 1858)
  • 1918 – Freddie Stowers, American soldier, Medal of Honor recipient (b. 1896)
  • 1925 – Paul Vermoyal, French actor (b. 1888)
  • 1935 – William Kennedy Dickson, French-Scottish actor, director, and producer, invented the Kinetoscope (b. 1860)
  • 1938 – Charles Duryea, American engineer and businessman, founded the Duryea Motor Wagon Company (b. 1861)
  • 1943 – Sam Ruben, American chemist and academic (b. 1913)
  • 1943 – Filippo Illuminato, Italian partisan, Gold Medal of Military Valour (b. 1930)
  • 1949 – Archbishop Chrysanthus of Athens (b. 1881)
  • 1953 – Edwin Hubble, American astronomer and scholar (b. 1889)
  • 1956 – William Boeing, American businessman, founded the Boeing Company (b. 1881)
  • 1957 – Luis Cluzeau Mortet, Uruguayan violinist and composer (b. 1888)
  • 1959 – Rudolf Caracciola, German race car driver (b. 1901)
  • 1962 – Roger Nimier, French soldier and author (b. 1925)
  • 1964 – Harpo Marx, American comedian, actor, and singer (b. 1888)
  • 1966 – André Breton, French author and poet (b. 1896)
  • 1970 – John Dos Passos, American novelist, poet, essayist, and playwright (b. 1896)
  • 1970 – Gamal Abdel Nasser, Egyptian colonel and politician, 2nd President of Egypt (b. 1918)
  • 1978 – Pope John Paul I (b. 1912)
  • 1979 – John Herbert Chapman, Canadian physicist and engineer (b. 1921)
  • 1981 – Rómulo Betancourt, Venezuelan journalist and politician, President of Venezuela (b. 1908)
  • 1982 – Mabel Albertson, American actress (b. 1901)
  • 1984 – Cihad Baban, Turkish journalist, author, and politician (b. 1911)
  • 1989 – Ferdinand Marcos, Filipino lawyer and politician, 10th President of the Philippines (b. 1917)
  • 1990 – Larry O’Brien, American businessman and politician, 57th United States Postmaster General (b. 1917)
  • 1991 – Miles Davis, American trumpet player, composer, and bandleader (b. 1926)
  • 1993 – Peter De Vries, American editor and novelist (b. 1910)
  • 1993 – Alexander A. Drabik, American sergeant (b. 1910)
  • 1994 – Urmas Alender, Estonian singer (b. 1953)
  • 1994 – José Francisco Ruiz Massieu, Mexican lawyer and politician, 6th Governor of Guerrero (b. 1946)
  • 1994 – Harry Saltzman, Canadian production manager and producer (b. 1915)
  • 1994 – K. A. Thangavelu, Indian film actor and comedian (b. 1917)
  • 1999 – Escott Reid, Canadian academic and diplomat (b. 1905)
  • 2000 – Pierre Trudeau, Canadian journalist, lawyer, and politician, 15th Prime Minister of Canada (b. 1919)
  • 2002 – Patsy Mink, American lawyer and politician (b. 1927)
  • 2002 – Hartland Molson, Canadian captain and politician (b. 1907)
  • 2003 – Althea Gibson, American tennis player and golfer (b. 1927)
  • 2003 – Elia Kazan, American director, producer, and screenwriter (b. 1909)
  • 2003 – George Odlum, Saint Lucian politician and diplomat (b. 1934)
  • 2004 – Geoffrey Beene, American fashion designer (b. 1924)
  • 2005 – Constance Baker Motley, American lawyer, judge, and politician (b. 1921)
  • 2007 – René Desmaison, French mountaineer (b. 1930)
  • 2007 – Wally Parks, American businessman, founded the National Hot Rod Association (b. 1913)
  • 2009 – Guillermo Endara, Panamanian lawyer and politician, 32nd President of Panama (b. 1936)
  • 2009 – Ulf Larsson, Swedish actor and director (b. 1956)
  • 2010 – Kurt Albert, German mountaineer and photographer (b. 1954)
  • 2010 – Arthur Penn, American director and producer (b. 1922)
  • 2010 – Dolores Wilson, American soprano and actress (b. 1928)
  • 2012 – Avraham Adan, Israeli general (b. 1926)
  • 2012 – Chris Economaki, American journalist and sportscaster (b. 1920)
  • 2012 – Brajesh Mishra, Indian politician and diplomat, 1st Indian National Security Advisor (b. 1928)
  • 2013 – James Emanuel, American-French poet and scholar (b. 1921)
  • 2013 – Jonathan Fellows-Smith, South African cricketer and rugby player (b. 1932)
  • 2013 – George Amon Webster, American singer and pianist (b. 1945)
  • 2014 – Dannie Abse, Welsh physician, poet, and author (b. 1923)
  • 2014 – Joseph H. Alexander, American colonel and historian (b. 1938)
  • 2014 – Sheila Faith, English dentist and politician (b. 1928)
  • 2014 – Tim Rawlings, English footballer and manager (b. 1932)
  • 2014 – Petr Skoumal, Czech pianist and composer (b. 1938)
  • 2015 – Alexander Faris, Irish composer and conductor (b. 1921)
  • 2015 – Walter Dale Miller, American rancher and politician, 29th Governor of South Dakota (b. 1925)
  • 2015 – Ignacio Zoco, Spanish footballer (b. 1939)
  • 2016 – Agnes Nixon, American television writer and director (b. 1922)
  • 2016 – Gary Glasberg, American television writer and producer (b. 1966)
  • 2016 – Shimon Peres, Polish-Israeli statesman and politician, 9th President of Israel (b. 1923)
  • 2016 – Gloria Naylor, American novelist (b. 1950)
  • 2017 – Daniel Pe’er, Israeli television host and newsreader (b. 1943)
  • 2018 – Predrag Ejdus, Serbian actor (b. 1947)
  • 2019 – José José, 71, Mexican singer (El Principe de la Canción or The Prince of Song), pancreas cancer (b. 1948)

Holidays and observances on September 28

  • Christian feast day:
    • Aaron of Auxerre
    • Annemund
    • Conval
    • Eustochium
    • Exuperius
    • Faustus of Riez
    • John of Dukla
    • Leoba
    • Lorenzo Ruiz
    • Paternus of Auch
    • Richard Rolle, Walter Hilton and Margery Kempe (Episcopal Church (USA))
    • Simón de Rojas
    • Wenceslas
    • September 28 (Eastern Orthodox liturgics).
  • Czech Statehood Day (Czech Republic)
  • Freedom from Hunger Day
  • International Day for Universal Access to Information
  • National Day of Awareness and Unity against Child Pornography (Philippines)
  • Teachers’ Day (Taiwan and Chinese-Filipino schools in the Philippines), ceremonies dedicated to Confucius are also observed.
  • World Rabies Day (International)

General Science & Ability | Constituents and Structure Solved MCQs (Set-III)

Click HERE for Q.No.1-50
Click HERE for Q.No.51-100

101) Which type of star is maintained by the pressure of an electron gas?
(a) Main Sequence Star
(b) White Dwarf
(c) Neutron Star
(d) Black Hole
Answer: (b)
White dwarfs are stars supported by pressure of degenerate electron gas. i.e. in their interiors thermal energy kT is much smaller then Fermi energy Ep. We shall derive the equations of structure of white dwarfs, sometimes called degenerate dwarfs, in the limiting case when their thermal pressure may be neglected, but the degenerate electron gas may be either non-relativistic. somewhat relativistic. or ultra-relativistic.

102) Which of the following first hypothesized that the Earth orbited the sun?
(a) Alexander the Great
(b) Copernicus
(c) Socrates
(d) Tycho Brahe
Answer: (b)
Nicolaus Copernicus was a Renaissance mathematician and astronomer who formulated a model of the universe that placed the Sun rather than the Earth at the center of the universe.

103) The LAST manned moon flight was made in what year?
(a) 1971 (b) 1972
(c) 1973 (d) 1974
Answer: (b)
The last manned landing Apollo 17 on the Moon to date, which took place on December 11, 1972, was made by Commander Eugene Cernan and lunar module pilot Harrison Schmitt who was also the first scientist on the Moon.

104) A planet is said to be at aphelion when it is:
(a) closest to the sun
(b) farthest from the sun
(c) at it’s highest point above the ecliptic
(d) at it’s lowest point below the ecliptic
Answer: (b)

105) The word Albedo refers to which of the following?
(a) The wobbling motion of a planet
(b) The amount of light a planet reflects
(c) The phase changes of a planet
(d) The brightness of a star
Answer: (b)
Albedo is a measure of the reflectivity of a surface. The albedo effect when applied to the Earth is a measure of how much of the Sun’s energy is reflected back into space. Overall, the Earth’s albedo has a cooling effect. (The term ‘albedo’ is derived from the Latin for ‘whiteness’).

106) A pulsar is actually a:
(a) black hole
(b) white dwarf
(c) red giant
(d) neutron star
Answer: (d)

107) Astronomers use Cepheid’s principally as measures of what? Is it:
(a) size
(b) speed
(c) chemical composition
(d) distance
Answer: (d)

108) Where are most asteroids located? Is it between:
(a) Jupiter and Saturn
(b) Mars and Venus
(c) Earth and Mars
(d) Mars and Jupiter
Answer: (d)

109) The precession of the Earth refers to the:
(a) change from night to day.
(b) Earth’s motion around the sun.
(c) change in orientation of the Earth’s axis.
(d) effect of the moon on the Earth’s orbit.
Answer: (c)
Precession is the change in orientation of the Earth’s rotational axis. The precession cycle takes about 19,000 – 23,000 years. Precession is caused by two factors: a wobble of the Earth’s axis and a turning around of the elliptical orbit of the Earth itself (Thomas, 2002). Obliquity affected the tilt of the Earth’s axis, precession affects the direction of the Earth’s axis. The change in the axis location changes the dates of perihelion (closest distance from sun) and aphelion (farthest distance from sun), and this increases the seasonal contrast in one hemisphere while decreasing it in the other hemisphere ( Kaufman, 2002). currently, the Earth is closest to the sun in the northern hemisphere winter, which makes the winters there less severe (Thomas, 2002). Another consequence of precession is a shift in the celestial poles. 5000 years ago the North Star was Thuban in the constellation Draco. Currently the North Star is Polaris in the constellation Ursa Minor.

110) The Magellanic cloud is a:
(a) nebula
(b) galaxy
(c) super nova remnant
(d) star cluster
Answer: (b)

111) The comet known as Halley’s Comet has an average period of:
(a) 56 years
(b) 66 years
(c) 76 years
(d) 86 years
Answer: (c)
Halley’s Comet orbits the Sun every 76.0 years and has an orbital eccentricity of 0.97. Comet Halley was visible in 1910 and again in 1986. Its next perihelion passage will be in early 2062.

112) Which one of the following planets has no moons?
(a) Mars
(b) Neptune
(c) Venus
(d) Jupiter
Answer: (c)

113) The rocks that enter the earth’s atmosphere and blaze a trail all the way to the ground and do not burn up completely are known as:
(a) meteorites
(b) meteors
(c) asteroids
(d) none of these
Answer: (a)
A meteorite is a solid piece of debris from an object, such as a comet, asteroid, or meteoroid, that originates in outer space and survives its passage through the Earth’s atmosphere and impact with the Earth’s surface

114) 95% of the Martian atmosphere is composed of what substance?
(a) Carbon dioxide
(b) Nitrogen
(c) Argon
(d) Carbon monoxide
Answer: (a)
The atmosphere of Mars is about 100 times thinner than Earth’s, and it is 95 percent carbon dioxide.

115) What is the motion called when a planet seems to be moving westward in the sky?
(a) Retrograde
(b) Parallax
(c) Opcentric
(d) Reverse parallax
Answer: (a)
Retrograde motion, in astronomy, describes the orbit of a celestial body that runs counter to the direction of the spin of that body which it orbits. Apparent retrograde motion, in astronomy, is the apparent motion of planets as observed from a particular vantage point.

116) In what year did Galileo first use an optical telescope to study the moon?
(a) 1492 (b) 1611
(c) 1212 (d) 1743
Answer: (b)

117) Geocentric means around:
(a) Jupiter (b) the Earth
(c) the Moon (d) the Sun
Answer: (b)

118) The Pythagoreans appear to have been the first to have taught that the Earth is:
(a) at the center of the Universe.
(b) spherical in shape.
(c) orbits around the sun.
(d) flat with sharp edges.
Answer: (b)

119) A device which would not work on the Moon is:
(a) thermometer
(b) siphon
(c) spectrometer
(d) spring balance
Answer: (b)
Siphons will not work in the International Space Station where there is air but no gravity, but neither will they work on the Moon where there is gravity but no air

120) Of the following colors, which is bent least in passing through aprism?
(a) orange (b) violet
(c) green (d) red
Answer: (d)

121) In a reflecting telescope where in the tube is the objective mirror placed?
(a) the top to the tube
(b) the middle of the tube
(c) the bottom of the tube
(d) the side of the tube
Answer: (c)

122) What does it mean when someone says that comets have eccentric orbits? Does it mean
(a) they have open orbits
(b) they have nearly circular orbits
(c) their orbits are unpredictable
(d) the sun is far from the foci of their orbits
Answer: (d)

123) What causes the gas tail of a comet to always point away from the sun?
(a) solar wind
(b) air pressure
(c) centrifugal force
(d) gravity
Answer: (a)

124) What are Saturn’s rings composed of?
(a) completely connected solid masses
(b) billions of tiny solid particles
(c) mixtures of gases
(d) highly reflective cosmic clouds
Answer: (b)

125) Of the following, which is the only planet which CANNOT be seen with the unaided eye?
(a) Jupiter
(b) Mars
(c) Neptune
(d) Saturn
Answer: (c)
The ice giant Neptune was the first planet located through mathematical predictions rather than through regular observations of the sky. Nearly 4.5 billion kilometers (2.8 billion miles) from the Sun, Neptune orbits the Sun once every 165 years. It is invisible to the naked eye because of its extreme distance from Earth. In 2011 Neptune completed its first orbit since its discovery in 1846.

126) Accretion is:
(a) the gradual accumulation of matter in one location usually due to gravity.
(b) the process of moon formation for planets.
(c) the process of matter accumulation due to centripetal force.
(d) the disintegration of matter.
Answer: (b)

127) A blue shift means a Doppler shift of light from a(an)
(a) receding star.
(b) blue star.
(c) approaching star.
(d) fixed star.
Answer: (c)
In the Doppler effect for visible light, the frequency is shifted toward the blue end of the spectrum when the light source (such as a star) is approaching.

128) The first and largest asteroid discovered was:
(a) Pallas.
(b) Juno.
(c) Ceres.
(d) Trojan.
Answer: (c)

129) The Crab Nebula consists of the remnants of a supernova which was observed by:
(a) Brahe in 1572.
(b) Kepler and Galileo in 1604.
(c) the Chinese in 1054 A.D.
(d) several ancient civilizations in 236 B.C.
Answer: (c)
The Crab Nebula, the result of a supernova noted by Earth-bound chroniclers in 1054 A.D., is filled with mysterious filaments that are are not only tremendously complex, but appear to have less mass than expelled in the original supernova and a higher speed than expected from a free explosion. The Crab Nebula spans about 10 light-years. In the nebula’s very center lies a pulsar: a neutron star as massive as the Sun but with only the size of a small town. The Crab Pulsar rotates about 30 times each second.

130) The atmosphere of Venus contains mostly
(a) oxygen
(b) carbon dioxide
(c) nitrogen
(d) water
Answer: (b)
The atmosphere of Venus is composed of about 96% carbon dioxide, with most … various other corrosive compounds, and the atmosphere contains little water.

131) On the celestial sphere, the annual path of the Sun is called
(a) the eclipse path.
(b) ecliptic.
(c) diurnal.
(d) solstice.
Answer: (b)
The ecliptic is an imaginary line on the sky that marks the annual path of the sun. It is the projection of Earth’s orbit onto the celestial sphere.

132) The angular distance between a planet and the Sun, as viewed from the Earth, is called
(a) angle of inclination.
(b) elongation.
(c) latitude.
(d) opposition.
Answer: (b)
Elongation is the angular distance between the sun, and another object such a moon or a planet as seen from earth. There are several special names for these angular distances. The different names of these angles depend on the status, inferior or superior, of the planet. The planets closer to the sun than the earth are called inferior planets. The planets farther away from the sun than earth are called superior planets.
Elongation is measured from earth as the angle between the sun and the planet. Sometimes the apparent relative position of a planet in relation to the sun is called the aspect, or configuration, of a planet.

133) Which of the following has the highest density?
(a) Earth
(b) Venus
(c) Mars
(d) Jupiter
Answer: (a)
Earth has the highest density of any planet in the Solar System, at 5.514 g/cm3. This is considered the standard by which other planet’s densities are measured. In addition, the combination of Earth’s size, mass and density also results in a surface gravity of 9.8 m/s². This is also used as a the standard (one g) when measuring the surface gravity of other planets.

134) Which of the following planets is NOT a terrestrial planet?
(a) Earth
(b) Jupiter
(c) Mars
(d) Mercury
Answer: (b)
The term terrestrial planet is derived from the Latin “Terra” (i.e. Earth). Terrestrial planets are therefore those that are “Earth-like”, meaning they are similar in structure and composition to planet Earth. All those planets found within the Inner Solar System – Mercury, Venus, Earth and Mars – are examples of terrestrial planets. Each are composed primarily of silicate rock and metal, which is differentiated between a dense, metallic core and a silicate mantle.

135) Why do we see lunar eclipses much more often than solar eclipses?
(a) Lunar eclipses occur more often than solar eclipses.
(b) Lunar eclipses last longer than solar eclipses.
(c) The lunar eclipse is visible to much more of the Earth than a solar eclipse.
(d) The moon is closer to the Earth than the sun.
Answer: (c)
Lunar and solar eclipses occur with about equal frequency. Lunar eclipses are more widely visible because Earth casts a much larger shadow on the Moon during a lunar eclipse than the Moon casts on Earth during a solar eclipse. As a result, we are more likely to see a lunar eclipse than a solar eclipse.

136) A star like object with a very large red shift is a
(a) Neutron star.
(b) Nova.
(c) Quasar.
(d) Supernova.
Answer: (c)
Quasars: In the 1930’s, Edwin Hubble discovered that all galaxies have a positive redshift. In other words, all galaxies were receding from the Milky Way.

137) The apparent magnitude of an object in the sky describes its
(a) Size
(b) Magnification
(c) Brightness
(d) Distance
Answer: (c)

138) The Van Allen belts are:
(a) caused by the refraction of sunlight like rainbows.
(b) charged particles trapped in the Earth’s magnetic field.
(c) caused by the reflection of polar snow.
(d) caused by precession.
Answer: (b)
The Van Allen belts are a collection of charged particles, gathered in place by Earth’s magnetic field. They can wax and wane in response to incoming energy from the sun, sometimes swelling up enough to expose satellites in low-Earth orbit to damaging radiation.

139) A coordinate system based on the ecliptic system is especially useful for the studies of
(a) Planets
(b) Stars
(c) The Milky Way
(d) Galaxies
Answer: (a)

140) The mean distance of the earth from the sun in astronomical units is:
(a) 3.7 (b) 10
(c) 1 (d) 101
Answer: (c)
In astronomy, an astronomical unit is defined as the average distance from the Sun to the Earth, or about 150 million kilometers (93 million miles). You can abbreviate astronomical unit as AU.
Since the distances in astronomy are so vast, astronomers use this measurement to bring the size of numbers down.
For example, Earth is 1 au from the Sun, and Mars is 1.523 AU. That’s much easier than saying that Mars is 227,939,000 km away from the Sun.

141) What process produces a star’s energy?
(a) hydrogen and oxygen combustion
(b) nuclear fusion
(c) neutron beta decay
(d) nuclear fission
Answer: (b)
The enormous luminous energy of the stars comes from nuclear fusion processes in their centers. Depending upon the age and mass of a star, the energy may come from proton-proton fusion, helium fusion, or the carbon cycle.

142) What is the most distant object in the sky that the human eye can see without optical instruments?
(a) The Horsehead Nebula
(b) The Andromeda Galaxy
(c) The Sagittarius Constellation
(d) The Aurora Borealis
Answer: (b)
The Andromeda Galaxy (M31) is the closest large galaxy to the Milky Way and is one of a few galaxies that can be seen unaided from the Earth. In approximately 4.5 billion years the Andromeda Galaxy and the Milky Way are expected to collide and the result will be a giant elliptical galaxy. Andromeda is accompanied by 14 dwarf galaxies, including M32, M110, and possibly M33 (The Triangulum Galaxy).

143) Which civilization developed and implemented the first solar calendar?
(a) Babylonian
(b) Greek
(c) Egyptian
(d) Aztec
Answer: (c)
A solar calendar is a calendar whose dates indicate the position of the earth on its revolution around the sun and is based on the seasonal year of approximately 365 1/4 days, the time it takes the Earth to revolve once around the Sun. The Egyptians appear to have been the first to develop a solar calendar, using as a fixed point the annual sunrise reappearance of the Dog Star — Sirius, or Sothis — in the eastern sky, which coincided with the annual flooding of the Nile River. They constructed a calendar of 365 days, consisting of 12 months of 30 days each, with 5 days added at the year’s end. The Egyptians’ failure to account for the extra fraction of a day, however, caused their calendar to drift gradually into error.

144) What is the HOTTEST region of the sun?
(a) The core
(b) The photosphere
(c) The chromospheres
(d) The corona
Answer: (d)
The corona is the outermost layer of the Sun, starting at about 1300 miles (2100 km) above the solar surface (the photosphere) The temperature in the corona is 500,000 K (900,000 degrees F, 500,000 degrees C) or more, up to a few million K. The corona cannot be seen with the naked eye except during a total solar eclipse, or with the use of a coronagraph. The corona does not have an upper limit.
A study published in 2012 in Nature Communications by researchers at Northumbria University found a possible mechanism that causes some stars to have a corona that is almost 200 times hotter than their photosphere (the star’s surface).

145) The same side of the moon always faces the Earth because:
(a) the moon is not rotating about its axis.
(b) the moon’s motion was fixed at its creation by the laws of inertia.
(c) tidal forces keep the moon’s rotation and orbiting motion in sync with each other.
(d) the moon’s magnetic poles keep aligned with the Earth’s magnetic field.
Answer: (b)

146) The resolving power of a telescope depends on the:
(a) focal ratio
(b) diameter of the objective
(c) magnification
(d) focal length
Answer: (b)
The resolving power of a telescope depends on the diameter of the telescope’s light-gathering apparatus, or objective. In a refracting telescope, the objective lens is the first lens the light passes through. In a reflecting telescope, the objective is the telescope’s primary mirror. In a Schmidt-Cassegrain telescope, the objective is also the primary mirror. As the diameter of the telescope’s objective increases, the resolving power increases.

147) On a clear, dark, moonless night, approximately how many stars can be seen with the naked eye?
(a) 300 (b) 1,000
(c) 3,000 (d) 10,000
Answer: (c)
On any clear dark moonless night a person can see about 3000 stars of our galaxy without the aid of a telescope

148) The study of the origin and evolution of the universe is known as:
(a) Tomography
(b) cystoscopy
(c) cryology
(d) cosmology
Answer: (d)
Cosmology is the branch of astronomy involving the origin and evolution of the universe, from the Big Bang to today and on into the future. According to NASA, the definition of cosmology is “the scientific study of the large scale properties of the universe as a whole.”

149) According to Kepler’s Laws, all orbits of the planets are:
(a) ellipses
(b) parabolas
(c) hyperbolas
(d) square
Answer: (a)
Johannes Kepler, working with data painstakingly collected by Tycho Brahe without the aid of a telescope, developed three laws which described the motion of the planets across the sky.
1. The Law of Orbits: All planets move in elliptical orbits, with the sun at one focus.
2. The Law of Areas: A line that connects a planet to the sun sweeps out equal areas in equal times.
3. The Law of Periods: The square of the period of any planet is proportional to the cube of the semimajor axis of its orbit.
Kepler’s laws were derived for orbits around the sun, but they apply to satellite orbits as well.

Constituents and Structure Solved MCQs (Set-I) | General Science & Ability

The universe, Galaxy, Light Year, Solar System, Sun, Earth, Astronomical System of Units

1) The biggest planet in our solar system is (CSS 2013)

(a) Venus
(b) Pluto
(c) Jupiter
(d) None of these
Answer: (c)
In terms of mass, volume, and surface area, Jupiter is the biggest planet in our Solar System by a wide margin.
Size and Mass:
Jupiter’s mass, volume, surface area and mean circumference are 1.8981 x 1027 kg, 1.43128 x 1015 km3, 6.1419 x 1010 km2, and 4.39264 x 105 km respectively. To put that in perspective, Jupiter diameter is roughly 11 times that of Earth, and 2.5 the mass of all the other planets in the Solar System combined.

2) The universe is ———-. (CSS 1996)

(a) Stationary
(b) Expanding
(c) Contracting
(d) None of these
Answer: (b)
In June 2016, NASA and ESA scientists reported that the universe was found to be expanding 5% to 9% faster than thought earlier, based on studies using the Hubble Space Telescope

3) The atmosphere of moon consists of: (CSS 2013)

(a) . 90% Hydrogen, 10% Nitrogen
(b) . 80%Nitrogen, 20% Hydrogen
(c) 60% Nitrogen, 40%inert gases
(d) None of these
Answer: (d)
The Moon has no atmosphere. None. That’s why astronauts have to wear their spacesuits when they get outside of their spacecraft on the surface of the Moon.
Atmosphere of the Moon might be electro statically levitated moon dust. These tiny particles are constantly leaping up and down off the surface of the Moon.

4) Who gave the first evidence of the Big- Bang theory?

(a) Edwin Hubble
(b) Albert Einstein
(c) S. Chandrasekhar
(d) Stephen Hawking
Answer: (a)
The Hubble Space Telescope was named after astronomer Edwin Powell Hubble (1889–1953), who made some of the most important discoveries in modern astronomy. Dr. Hubble determined that the farther a galaxy is from Earth, the faster it appears to move away. This notion of an “expanding” universe formed the basis of the Big Bang theory, which states that the universe began with an intense burst of energy at a single moment in time — and has been expanding ever since.

5) Which one of the following planets has largest number of natural satellites or moons?

(a) Jupiter
(b) Mars
(c) Saturn
(d) Venus
Answer: (a)
In the Solar System, there are 179 satellites. A majority of those moons belong to the planet of Jupiter, the second most belonging to Saturn.

6) Which of the following planets rotates clock wise?

(a) Mars
(b) Jupiter
(c) Venus
(d) Mercury
Answer: (c)
Venus is the only planet that rotates clockwise. Venus (radius 3,760.4 miles) is similar to Earth (radius 3,963.19 miles) in size and structure but spins very slowly; a day on Venus is 243 Earth days long.

7) Which of the following order is given to the planets of solar system on the basis of their sizes?

(a) Jupiter, Saturn, Uranus, Neptune
(b) Saturn, Jupiter, Mercury, Earth
(c) Mercury, Earth, Jupiter, Saturn
(d) Earth, Mercury, Saturn, Jupiter
Answer: (a)
Jupiter (69,911 km / 43,441 miles) – 1,120% the size of Earth
Saturn (58,232 km / 36,184 miles) – 945% the size of Earth
Uranus (25,362 km / 15,759 miles) –400% the size of Earth
Neptune (24,622 km / 15,299 miles) – 388% the size of Earth
Earth (6,371 km / 3,959 miles)

8) The time taken by the Sun to revolve around the center of our galaxy is

(a) 50 Million years
(b) 100 Million years
(c) 250 Million years
(d) 365 Million years
Answer: (c)
the Sun is dragging us around the galaxy at around 800,000km/h, taking around 250 million years to complete a single orbit.
That means our Solar System has made around 18 complete circuits since it was formed around 4.5 billion years ago.

9): The planet having the largest diameter is

(a) Earth
(b) Jupiter
(c) Venus
(d) Uranus
Answer: (b)
Jupiter is composed primarily of gaseous and liquid matter. It is the largest of the four giant planets in the Solar System and hence its largest planet. It has a diameter of 142,984 km (88,846 mi) at its equator

10) The planet Mercury completes one rotation around the sun is (CSS 2010)

(a) 88 days
(b) 365 days
(c) 98 days
(d) 60 days
(e) None of these
Answer: (a)
A year on Mercury is just 88 days long. One solar day (the time from noon to noon on the planet’s surface) on Mercury lasts the equivalent of 176 Earth days while the sidereal day (the time for 1 rotation in relation to a fixed point) lasts 59 Earth days. Mercury is nearly tidally locked to the Sun and over time this has slowed the rotation of the planet to almost match its orbit around the Sun. Mercury also has the highest orbital eccentricity of all the planets with its distance from the Sun ranging from 46 to 70 million km.

11) The biggest planet in our solar system is (CSS 2013)

(a) Venus
(b) Pluto
(c) Jupiter
(d) None of these
Answer: (c)
Jupiter is the largest planet in the solar system. Jupiter has a mean radius of 43,440.7 miles (69,911 kilometers), about a tenth that of the sun. However, its rapid rotation — it spins once every 9.8 hours

12) The atmosphere of moon consists of: (CSS 2013)

(a) 90% Hydrogen, 10% Nitrogen
(b) 80%Nitrogen, 20% Hydrogen
(c) 60% Nitrogen, 40%inert gases
(d) None of these
Answer: (d)
The Apollo 17 mission deployed an instrument called the Lunar Atmospheric Composition Experiment (LACE) on the moon’s surface. It detected small amounts of a number of atoms and molecules including helium, argon, and possibly neon, ammonia, methane and carbon dioxide.

13) Which of the following explains the reason why there is no total eclipse of the sun? (CSS 2009)

(a) Size of the earth in relation to that of moon
(b) Orbit of moon around earth
(c) Direction of rotation of earth around sun
(d) Area of the sun covered by the moon
(e) None of these
Answer: (d)
A solar eclipse occurs when the moon gets between Earth and the sun, and the moon casts a shadow over Earth. A solar eclipse can only take place at the phase of new moon, when the moon passes directly between the sun and Earth and its shadows fall upon Earth’s surface.

14) The sun produces most of its energy by (CSS 2012)

(a) Nuclear fusion which involves converting “H” to “He”
(b) Nuclear fission involving the burning of uranium & plutonium
(c) Nuclear fission involving the combining of uranium and palladium
(d) None of these
Answer: (a)
Sun, like all stars, is able to create energy because it is essentially a massive fusion reaction.
The core of the Sun is the region that extends from the center to about 20–25% of the solar radius. It is here, in the core, where energy is produced by hydrogen atoms (H) being converted into molecules of helium (He) This is possible thanks to the extreme pressure and temperature that exists within the core, which are estimated to be the equivalent of 250 billion atmospheres (25.33 trillion KPa) and 15.7 million kelvin, respectively.

15) Although the mass of a man on moon remains same as on the earth he will (CSS 2012)

(a) Be much happier there
(b) Weigh one sixth as much
(c) Weigh twice as much
(d) None of these
Answer: (b)
The Moon’s gravity is one sixth of the Earth’s gravity. A 120 kg astronaut weighs 1200 N on Earth. On the Moon they would weigh only 200 N. The astronaut’s mass is 120kg wherever they are.

16) The planet of the solar system which has maximum numbers of Moon is: (CSS 2011)

(a) Jupiter
(b) Venus
(c) Saturn
(d) Uranus
(e) None of these
Answer: (a)

17): The earth rotates 011 its axis from_

(a) North to south
(b) South to north
(c) East to west
(d) West to east
Answer: (d)
The Earth rotates from the west towards east. As viewed from North Star or polestar Polaris, the Earth turns counter-clockwise. The North Pole, also known as the Geographic North Pole or Terrestrial North Pole, is the point in the Northern Hemisphere where the Earth’s axis of rotation meets its surface.

18): Name two planets which revolve around their axis from east to west

(a) Earth and Venus
(b) Mars and Earth
(c) Venus and Uranus
(d) Mars and Uranus
Answer: (c)
Planets have no light of their own and all of them expect Venus and Uranus, rotate upon their axis from west to east.

19) Our sun is classified as (CSS 2012)

(a) A Blue giant
(b) A Yellow dwarf
(c) Supernova
(d) None of these
Answer: (b)
The sun is classified as a G-type main-sequence star, or G dwarf star, or more imprecisely, a yellow dwarf. Actually, the sun — like other G-type stars — is white, but appears yellow through Earth’s atmosphere. Stars generally get bigger as they grow older

20): Name the planet which revolve approximately 90 degree with its orbital plane_.

(a) Neptune
(b) Venus
(c) Uranus
(d) Jupiter
Answer: (c)
Unlike any other planet, Uranus rotates on its side. That is, the rotation axis is tilted approximately 90 degrees relative to the planet’s orbital plane.

21): The hottest planet of our solar system is
(a) Mercury
(b) Venus
(c) Mars
(d) Earth
Answer: (b)
Venus’s thick atmosphere made up mainly of CO2 makes it the hottest planet in the solar system. Mercury is colder because it’s atmosphere is thin.

22): Which of the following constellation contains Pole Star?

(a) Orion
(b) Ursa Major
(c) Ursa Minor
(d) Scorpio
Answer: (b)

23): All the stars appear to move from

(a) North to south
(b) South to north
(c) East to west
(d) West to east
Answer: (c)
Every day, the Sun, Moon, planets, and stars appear to rise in the east and set in the west. Actually, these celestial objects aren’t moving that fast, but Earth is. It spins on its axis from west to east approximately every 24 hours.
Because we are standing on Earth’s surface, we move along with it. To us, it appears as if everything in the sky is moving from east to west.

24): The body burning like a star and coming towards the earth

(a) Comet
(b) Meteor
(c) Ceres
(d) Satellites
Answer: (b)
Fleeting trails of light are called meteors or shooting stars and they are created by small particles, some no bigger than a grain of rice, as they are completely burned up high in the atmosphere: about 100 km (or 60 miles) above the Earth. They are over literally in the blink of an eye. Space debris is collectively termed meteoroids, those larger fragments that reach the ground are called meteorites. Very big meteoroids are also known as asteroids. If one collides with Earth it would cause a major catastrophe.

25) Which of the following is not true?

(a) Planets rotate on their own axis.
(b) Planets do not emit light.
(c) Some planets are gaseous and some are rocky
(d) Most of the planets have rings around them.
Answer: (d)

26) Which is the brightest planet?

(a) Mars
(b) Jupiter
(c) Venus
(d) Saturn
Answer: (c)
Venus is so bright because its thick clouds reflect most of the sunlight that reaches it (about 70%) back into space, and because it is the closest planet to Earth. Venus can often be seen within a few hours after sunset or before sunrise as the brightest object in the sky (other than the moon)

27) The stars in space are ___.

(a) Uniformly spread out.
(b) Distributed completely at random
(c) Chiefly in the Milky Way
(d) Mostly contained within widely separated galaxies
Answer: (d)

28) “Black holes” refer to: (CSS 2009)

(a) Hole occurring in heavenly bodies
(b) Bright spots on the sun
(c) Collapsing objects of high density
(d) Collapsing of low density
(e) None of these
Answer: (c)

29) The Milky Way is _____.

( a) a gas cloud in the solar system
(b) a gas cloud in the galaxy of which the sun is a member
(c) the galaxy of which the sun is a member
(d) a nearby galaxy
Answer: (c)

30) Relative to the center of our galaxy, ____.

( a) its starts are stationary
(b) its stars move entirely at random
(c) its stars revolve
(d) Population I starts are stationary and Population II star revolve
Answer: (c)

31) Evidence of various kinds suggests that at the center of our galaxy is a ___.

( a) Quasar
(b) Pulsar
(c) Neutron star
(d) Black hole
Answer: (d)
A supermassive black hole (SMBH) is the largest type of black hole, in the order of hundreds of thousands to billions of solar masses (M☉), and is found in the centre of almost all currently known massive galaxies. In the case of the Milky Way, the SMBH corresponds with the location of Sagittarius A*

32) A radio telescope is basically a (an) __.

(a) device for magnifying radio waves
(b) Telescope remotely controlled by radio
(c) Directional antenna connected to a sensitive radio receiver
(d) Optical telescope that uses electronic techniques to produce an image
Answer: (c)
Radio telescope is an astronomical instrument consisting of a radio receiver and an antenna system that is used to detect radio-frequency radiation emitted by extraterrestrial sources. Because radio wavelengths are much longer than those of visible light, radio telescopes must be very large in order to attain the resolution of optical telescopes.
The first radio telescope, built in 1937 by Grote Reber of Wheaton

33) Sun is a: (CSS 2011)

(a) Planet
(b) Comet
(c) Satellite
(d) Aurora
(e) None of these
Answer: (e)
The Sun (or Sol), is the star at the centre of our solar system
The Sun is by far the largest object in the solar system. It contains more than 99.8% of the total mass of the Solar System (Jupiter contains most of the rest).

34) The age of the solar system is (CSS 2011)

(a) 4.5 billion years
(b) 5.5 billion years
(c) 6.5 billion years
(d) 7.5 billion years
(e) None of these
Answer: (e)
By studying several things, mostly meteorites, and using radioactive dating techniques, specifically looking at daughter isotopes, scientists have determined that the Solar System is 4.6 billion years old. Well, give or take a few million years. That age can be extended to most of the objects and material in the Solar System.

35) An eclipse of the sun occurs when (CSS 2011)

(a) The moon is between the sun and the earth
(b) The sun is between the earth and the moon
(c) The earth is between the sun and the moon
(d) The earth casts its shadow on the moon
(e) None of these
Answer: (a)
A solar eclipse occurs when the moon gets between Earth and the sun, and the moon casts a shadow over Earth. A solar eclipse can only take place at the phase of new moon, when the moon passes directly between the sun and Earth and its shadows fall upon Earth’s surface.

36) Founder of modern astronomy was: (CSS 2009)

(a) Archimedes
(b) William Gilbert
(c) Nicolaus Copernicus
(d) Michael Faraday
(e) None of these
Answer: (c)
Considered today to be the father of modern astronomy, Nicolaus Copernicus was born on February 19, 1473 in Torun, Poland.

37) Orbital period of the planet Mercury around the sun is: (CSS 2009)

(a) 88 days
(b) 365 days
(c) 2 years
(d) 98 days
(e) None of these
Answer: (a)
Mercury has an orbital period of 88 days (87.969 to be exact), which means a single year is 88 Earth days – or the equivalent of about 0.241 Earth years. But here’s the thing. Because of Mercury’s slow rotation (once every 58.646 days) and its rapid orbital speed (47.362 km/s), one day on Mercury actually works out to 175.96 Earth days.

38) Primary cosmic rays are composed largely of very fast ___.

( a) Protons
(b) Neutrons
(c) Electrons
(d) Gamma rays
Answer: (a)
Of primary cosmic rays, which originate outside of Earth’s atmosphere, about 99% are the nuclei (stripped of their electron shells) of well-known atoms, and about 1% are solitary electrons (similar to beta particles). Of the nuclei, about 90% are simple protons, i. e. hydrogen nuclei; 9% are alpha particles, identical to helium nuclei, and 1% are the nuclei of heavier elements, called HZE ions

39) Cosmic rays ____.

(a) Circulate freely through space
(b) are trapped in our galaxy by electric fields
(c) are trapped in our galaxy by magnetic fields
(d) are trapped in our galaxy by gravitational fields
Answer: (c)

40) The red shift in the spectral lines of light reaching us from other galaxies implies that these galaxies ______.

( a) are moving closer to one another
(b) are moving farther apart from one another
(c) are in rapid rotation
(d) Consist predominantly of red giant stars
Answer: (b)

41) According to Einstein’s general theory of relativity, the universe _____.

( a) Must be expanding
(b) Must be contracting
(c) Must be either expanding or contracting
(d) May be neither expanding nor contracting
Answer: (c)

42) Supernova explosions have no connection with _______.

( a) The formation of heavy elements
(b) Cosmic rays
(c) Pulsars
(d) Quasars
Answer: (d)

43) Current ideas suggest that what is responsible for the observed properties of a quasar is a massive ____.

(a) Neutron star
(b) Black hole
(c) Spiral galaxy
(d) Star cluster
Answer: (b)

44) The age of the universe is probably in the neighborhood of ______.

( a) 15 million years
(b) 4 ½ billion years
(c) 15 billion years
(d) 30 billion years
Answer: (c)

45) The term big bang refers to ___.

( a) the origin of the universe
(b) the ultimate fate of the universe
(c) a supernova explosion
(d) the formation of a quasar
Answer: (a)

46) The elements heavier than hydrogen and helium of which the planets are composed probably came from the __.
( a) Sun
(b) Debris of supernova explosions that occurred before the solar system came into being
(c) Big bang
(d) Big crunch
Answer: (b)

47) Today the universe apparently contains ____.

( a) Only matter
(b) Only antimatter
(c) Equal amounts of matter and antimatter
(d) Slightly more matter than antimatter
Answer: (a)

48) Radiation from the early history of the universe was Doppler-shifted by the expansion of the universe until today it is in the form of _______.

( a) X-rays
(b) Ultraviolet waves
(c) Infrared waves
(d) Radio waves
Answer: (d)

49) Present evidence suggests that most of the mass of the universe is in the form of ______.

( a) Dark matter
(b) Luminous matter
(c) Cosmic rays
(d) Black holes
Answer: (a)

50) It is likely that the planets, satellites, and other members of the solar system were formed ________.

(a) Together with the sun
(b) Later than the sun from material it ejected
(c) Later than the sun from material it captured from space
(d) Elsewhere and were captured by the sun
Answer: (a)